#3 5th Grade Math Graphing Multiplicative Patterns

What does 7a mean?

• 7 plus a

• 7 minus a

• 7 times a

• 7 divided by a

What would the y value be is x = 2?  (Hint: put 2 into the equation for x and solve)

What would the rule be to get from x to y?

• x times 3

• x plus 8

If the coordinates for this graph include (1,4) and (3,12), what is the equation for the line?  (Hint: What is the rule to get from x to y?)

What would the y-coordinate for this line by if x = 5?

• 9

• 20